Investigation of laminar pressurized flames for soot model validation using SV-CARS and LII

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dc.contributor.authorHadef, R
dc.contributor.authorGeigle, Klaus Peter
dc.contributor.authorMichael, S
dc.date.accessioned2022-04-27T04:06:41Z
dc.date.available2022-04-27T04:06:41Z
dc.date.issued2005
dc.description.abstractQuasi-simultaneous measurements of temperature and soot volume fraction in pressurized and atmospheric flames are presented. A dual-flame burner concept yielded stable laminar flames for a variety of equivalence ratios, pressures, and fuels, and permitted the investigation of flames without the influence of soot oxidation. A CARS-based technique (shifted vibrational CARS) for temperature measurements, which offers high accuracy over the entire relevant temperature and soot concentration range, is described. Comparison of temperature measurements in the nonsooting part of a laminar diffusion flame at atmospheric pressure by SV-CARS and conventional N2 Q-branch CARS yielded excellent agreement. This new technique was applied to quasi-1D laminar flames with soot concentrations up to 10 ppm and pressures up to 5 bar. The temperature profiles measured in these flames were combined with soot concentration measurements using LII; calibration and correction for signal trapping yielded quantitative soot volume fraction data. The temperature and soot concentration data were combined to generate a comprehensive dataset for the validation of an improved kinetic soot model for the prediction of soot formation in premixed combustion at elevated pressure.ar
dc.identifier.urihttp://hdl.handle.net/123456789/12980
dc.language.isoenar
dc.publisherELSEVIERar
dc.subjectLaser diagnosticsar
dc.subjectPressurized flamesar
dc.subjectLaminar premixedar
dc.titleInvestigation of laminar pressurized flames for soot model validation using SV-CARS and LIIar
dc.typeArticlear
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